8191932792 has 16 divisors (see below), whose sum is σ = 20479832040. Its totient is φ = 2730644256.

The previous prime is 8191932787. The next prime is 8191932803. The reversal of 8191932792 is 2972391918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170665243 + ... + 170665290.

Almost surely, 2^8191932792 is an apocalyptic number.

It is an amenable number.

8191932792 is an abundant number, since it is smaller than the sum of its proper divisors (12287899248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8191932792 is a wasteful number, since it uses less digits than its factorization.

8191932792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341330542 (or 341330538 counting only the distinct ones).

The product of its digits is 489888, while the sum is 51.

The square root of 8191932792 is about 90509.2967158623. The cubic root of 8191932792 is about 2015.8681670059.

The spelling of 8191932792 in words is "eight billion, one hundred ninety-one million, nine hundred thirty-two thousand, seven hundred ninety-two".